Image: Yuan Dynasty - waterwheels and smelting
Yuan_Dynasty_-_waterwheels_and_smelting.png (800 × 592 pixels, file size: 262 KB, MIME type: image/png)
Description: This medieval printed illustration depicts waterwheels powering the bellows of a blast furnace in creating cast iron. This illustration is taken from the 14th century treatise Nong Shu, written by Wang Zhen in 1313 AD, during the Chinese Yuan Dynasty.
Title: Yuan Dynasty - waterwheels and smelting
Credit: http://www.waterhistory.org/histories/waterwheels/
Author: Wang Zhen
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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